3868281653 has 8 divisors (see below), whose sum is σ = 3997702296. Its totient is φ = 3740531200.

The previous prime is 3868281629. The next prime is 3868281673. The reversal of 3868281653 is 3561828683.

3868281653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 132871729 + 3735409924 = 11527^2 + 61118^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3868281653 - 2³⁰ = 2794539829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3868281623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412838 + ... + 422103.

It is an arithmetic number, because the mean of its divisors is an integer number (499712787).

Almost surely, 2^3868281653 is an apocalyptic number.

It is an amenable number.

3868281653 is a deficient number, since it is larger than the sum of its proper divisors (129420643).

3868281653 is a wasteful number, since it uses less digits than its factorization.

3868281653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835095.

The product of its digits is 1658880, while the sum is 50.

The square root of 3868281653 is about 62195.5115181152. The cubic root of 3868281653 is about 1569.7820640870.

The spelling of 3868281653 in words is "three billion, eight hundred sixty-eight million, two hundred eighty-one thousand, six hundred fifty-three".